# Tuul > Free tools that convert and fix files right in your browser. Nothing is uploaded, so it's fast and your files stay private. All tools run locally in the browser using WebAssembly. Files are never uploaded to a server, there is no account, and the tools are free. ## Image tools - [HEIC to JPG Converter](https://tuul.io/heic-to-jpg/): Turn iPhone photos (HEIC) into JPG files, many at once. - [Image Compressor](https://tuul.io/image-compressor/): Make photos smaller in KB or MB, many at once: by quality, or to a size like 100 KB. - [Bulk Image Resizer](https://tuul.io/bulk-image-resizer/): Change the size in pixels, many at once: exactly 1080 × 1080, half the size, or the longest side. - [Image Cropper](https://tuul.io/crop-image/): Cut a photo to the part you want: drag a box, pick 1:1, 4:5 or 16:9, or type exact pixels. - [EXIF Remover](https://tuul.io/exif-remover/): Take the GPS location, EXIF and other hidden metadata out of photos, losslessly. - [WebP to JPG Converter](https://tuul.io/webp-to-jpg/): Convert WebP images to JPG, many at once. - [PNG to JPG Converter](https://tuul.io/png-to-jpg/): Convert PNG images to JPG, many at once. - [HEIC to PNG Converter](https://tuul.io/heic-to-png/): Turn iPhone photos (HEIC) into PNG files, many at once. - [JPG to PNG Converter](https://tuul.io/jpg-to-png/): Convert JPG images to PNG, many at once. - [AVIF to JPG Converter](https://tuul.io/avif-to-jpg/): Convert AVIF images to JPG, many at once. - [JPG to WebP Converter](https://tuul.io/jpg-to-webp/): Convert JPG images to WebP, many at once. - [PNG to WebP Converter](https://tuul.io/png-to-webp/): Convert PNG images to WebP, many at once. - [WebP to PNG Converter](https://tuul.io/webp-to-png/): Convert WebP images to PNG, many at once. - [AVIF to PNG Converter](https://tuul.io/avif-to-png/): Convert AVIF images to PNG, many at once. ## Video and CCTV tools - [MP4 to MP3 Converter](https://tuul.io/mp4-to-mp3/): Save the sound of MP4 videos as MP3. - [Extract Audio from Video](https://tuul.io/video-to-mp3/): Take the sound out of any video, CCTV too, as MP3. - [MOV to MP3 Converter](https://tuul.io/mov-to-mp3/): Save the sound of MOV videos as MP3. - [Lossless Video Trimmer](https://tuul.io/video-trimmer/): Cut the part you need out of a video or CCTV recording, without re-encoding it. - [MOV to MP4 Converter](https://tuul.io/mov-to-mp4/): Rewrap MOV videos as MP4 without losing quality. - [DAV to MP4 Converter](https://tuul.io/dav-to-mp4/): Turn Dahua CCTV recordings into MP4 files that play anywhere. - [Hikvision Video to MP4 Converter](https://tuul.io/hikvision-to-mp4/): Fix Hikvision, HiLook and EZVIZ .mp4 files that won't play or have no sound. - [MKV to MP4 Converter](https://tuul.io/mkv-to-mp4/): Rewrap MKV videos as MP4 without losing quality. - [AVI to MP4 Converter](https://tuul.io/avi-to-mp4/): Rewrap AVI videos as MP4 without losing quality. - [TS to MP4 Converter](https://tuul.io/ts-to-mp4/): Rewrap TS videos as MP4 without losing quality. - [WebM to MP4 Converter](https://tuul.io/webm-to-mp4/): Rewrap WebM videos as MP4 without losing quality. ## Document tools - [JPG to PDF Converter](https://tuul.io/jpg-to-pdf/): Turn JPG photos and scans into one PDF, in the order you choose. - [Images to PDF Converter](https://tuul.io/images-to-pdf/): Put photos and scans into one PDF, in the order you choose. - [HEIC to PDF Converter](https://tuul.io/heic-to-pdf/): Turn iPhone photos (HEIC) into one PDF, in the order you choose. - [PNG to PDF Converter](https://tuul.io/png-to-pdf/): Turn PNG screenshots and scans into one PDF, losslessly. ## Guides - [How to get the audio from a video (MP4 to MP3)](https://tuul.io/guides/get-audio-from-a-video/): Save the sound of an MP4 or MOV video as MP3 or M4A. Which bitrate to pick, MP3 vs M4A, the built-in ways on Mac and Windows, and a free converter. - [How to open HEIC photos on Windows and convert to JPG](https://tuul.io/guides/heic-photos-on-windows/): Open iPhone HEIC photos on Windows 10 and 11 with Microsoft's HEIF and HEVC extensions, make new photos JPG, or convert HEIC to JPG free in a browser. - [Hikvision MP4 won't play or has no sound](https://tuul.io/guides/hikvision-mp4-wont-play/): Why Hikvision, HiLook and EZVIZ .mp4 exports won't open, play without sound or show no picture, and how to fix each one without re-encoding. - [How to play DAV files on Mac, PC and phone](https://tuul.io/guides/how-to-play-dav-files/): Play Dahua .dav CCTV recordings on Windows, Mac, iPhone and Android with Smart Player or VLC, or convert them to MP4 in your browser. - [How to make a photo smaller in KB for an online form](https://tuul.io/guides/make-a-photo-smaller-in-kb/): Why a phone photo is several MB, how pixels, JPG quality and format set its size in KB, typical upload limits, and how to get under one free in a browser. - [How to make a video small enough to send](https://tuul.io/guides/make-a-video-smaller-to-send/): WhatsApp, Discord and email size limits for videos, and three ways to fit under them - cut it, send it as a document or link, or shrink it. - [How to remove location from photos before sharing](https://tuul.io/guides/remove-location-from-photos/): Phone photos store where they were taken. How to remove the GPS location on iPhone, Android, Windows and Mac before you share, and which apps strip it. - [What is a DAV file and how do you open it?](https://tuul.io/guides/what-is-a-dav-file/): DAV is the recording format of Dahua CCTV recorders. Here's what's inside a .dav file, why normal players can't open it, and three ways to watch it. - [What is a WebP file? How to convert it to JPG or PNG](https://tuul.io/guides/what-is-a-webp-file/): WebP is Google's image format for websites, which is why pictures save as .webp. When to keep it, and how to convert WebP to JPG or PNG free in a browser. ## About Tuul is made by taser.dev (https://taser.dev) in Istanbul, Türkiye. Contact: contact@taser.dev. How the tools work, how to check that nothing is uploaded, and how they're tested: https://tuul.io/about/ ## Optional - [Full text for AI assistants](https://tuul.io/llms-full.txt) - [About](https://tuul.io/about/) - [Privacy](https://tuul.io/privacy/) - [Terms](https://tuul.io/terms/) - [Contact](https://tuul.io/contact/)